塔里木西南缘新元古代辉绿岩及玄武岩的地球化学特征新元古代超大陆(Rodinia)裂解的证据.pdf

Aaa 岩石学报 1000-0569／2004／020(03)-0473-82A舸蚴口Sinica 塔里木西南缘新元古代辉绿岩及玄武岩的地球化学 特征：新元古代超大陆【Rodinia)裂解的证据‘ 张传林1，2 叶海敏2 王爱国2 郭坤一2 董永观2 and KunYi2DONG ZHANGChuanLinl，一，YEHaiMin2，WANGAiGu02，GU0 Yon如l孤2 1．中国科学院广州地球化学研究所。广州510640 2．南京地质矿产研究所。南京2lool6 Institute 1．Qm，珈u ofGeochemistry，ChineseAcademyof／ences，Q‘口，唱曲o“510640，Ch／na andMineral Resources，肌咖210016，Ch／na 2．NanjingInstitute矿Geology 2003旬3—24收稿．2003—11·24改回． KYand ofthe diabaseandbasaltin ZhangCL。YeHM，WangAG，Guo DougYG．2004．GeochemistryNeoproterozoie Tarim forthe oftheRodinia insouthofTarim． Southof breakup super-continent plate：EvidenceNeoproterozoic Acta PetrologicaSinica。20【3)：473一锅2 andbasalt insouthof’r谢m northbeltofWestem diabase Abstract diabase Plate(in Kunlun)．ne Neoproterozoic outcrop is Nanhuanrift basaltOccursin intrudesinto successions(0．8—0．6Ga?)．The Qingbaikousystem(1．0～0．8Ga)andoverlappedby ofthe ofthediabaseandbasaltshowthattllevareformedinintra．continent thelower Nanhuan part system．GeOchemistry pullaparting of tIIe oftheGrenvilliansubductionand environment．TheirsourceshowscharacteristicsEMI．type plate mantle．Corabiningstudy collisioninsouthofTarimandthe ofca．815Mamantle-sourced forwardthatthe discovery A-typegneissoidgranite．weput are